Centering device



L B. GIRARD AND F. L. MENELEY.

CENTERING DEVICE.

APPLICATION FILED MAR. 30, 1921.

Patented Aug. 8, 1922.

In venfans: Zou/s [5 g/rar'a! Freafll-Wene/e/ names stares entrantethics.

LOUIS B. GIRARD AND FRED L. MENELEY, OF LOS ANGELES, CALIFORNIA;

SAID

MENELEY ASSIGNOR '10 SAID GIRARD.

CENTERING DEVICE.

T 0 all whom it may concern Be it known that we, Louis B. GTRARD andFRED L. MENELEY, citizens of the United States, residing at Los Angeles,in the county of Los Angeles and State of California, have invented anew and useful Centerin Device, of which the following is aspecification. 7'

This invention relates to a centering device particularly adapted andintended for use in connection with means for punching and insertingeyelets in window shades. The centering device may, however, be used forother purposes, and in other connections.

The main object of the invention is to provide means which will enablethe shade to be centered with respect to the punching and eyeletingmeans in the most Convenient and rapid manner.

A further object of the invention is to provide a device of extremesimplicity in construction and operation for effecting thecenteringoperation.

The accompanying drawings illustrate an embodiment of our invention, andreferring thereto:

Fig. 1 is a perspective view of the invent1on;

Fig. 2 is a plan view of the operating means for the centering device,the fixed die member of the punching means being shown in section;

Fig. 3 is a vertical section on line 38 in Fig. 2.

The device is mounted on any suitable table or support, indicated at 1,and comprising two stops 2 carried, respectively, by two rods 3, andmounted to slide on fixed guide means l, said rods 3 being provided ontheir inner faces with gear teeth 5 adapted to engage a gear wheel. orpinion 6 mounted to rotate on a vertical axis, which is coincident withthe axis of the device with which the shade is to be centered, forexample, a punching and eyeleting device. Said punching and eyeletingdevice may be of any usual or suitable onstruction comprising, forexample. a base 8 provided with means for supporting-a fixed die member9, the aforesaid. gear wheel or pinion 6 being mounted to turn on.bearing 10 on said die member. The two rods 3 are guided inSpecification of Letters Patent.

Application filed March 30, 1921. Serial No. 457,127.

'leted extending over the punching means and with the edges of the shadeextending between the two opposing stops 2, the said stops being movedin or out, as the case may be, and the shade manipulated so as to causethe stops 2 to touch the opposite edges of the shade, whereupon theshade will be centeredwith respect to the punching and eyeleting means,the latter being then operated to punch a hole an eyelet therein asrequired, such eyelet being centered with respect to the sides of theshade by reason of the centering action of the stops 2.

lVhat we claim is:

1. In combination with a. punching means having a base provided with afixed die member, a centering device comprising two ther guiding thesaid rods consisting of fixed guiderods extending parallel to said rackrods, said stop means on the respective rack rods slidably engaging saidfixed guide rods.

In testimony whereof subscribed our names March 1921.

LOUIS B. GIRARD.

L. MENELEY.

we have hereunto this 22nd day of 8 in addition to being in the shadeand insert

